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Finding the Fourth Proportional to 188,940.60, 260,736.30 and 104,055.84

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Solution

The fourth proportional to 188,940.60, 260,736.30 and 104,055.84 is: 143,596.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,940.60 : 260,736.30 = 104,055.84 : x
  2. Step 2: Convert to fraction form
    188,940.60/260,736.30 = 104,055.84/x
  3. Step 3: Cross multiply
    188,940.60x = 260,736.30 × 104,055.84
  4. Step 4: Simplify right side
    188,940.60x = 27,131,134,714.99
  5. Step 5: Solve for x
    x = 27,131,134,714.99/188,940.60
  6. Step 6: Final answer
    x = 143,596.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.